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4T-32009X - NTN

4T-32009X

Tapered roller bearing, pressed steel cage

The single row tapered roller bearing is available in metric dimensions (ISO 355 and JIS B 1512 standards) and in inches (ABMA standard, metric series including J). The single row in tapered roller bearing range, is the most widely used and is generally mounted in opposition.

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter45 mm
D - External diameter75 mm
B - Bearing/Inner ring width20 mm
C - Outer ring width15,5 mm
T - Total width20 mm
d1 - External diameter inner ring60,5 mm
a - Charge load application point16,5 mm
rs - Min fillet radius1 mm
r1s - Min fillet radius1 mm
Mass0,341 kg
ISO 355 referenceT3CC045
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PRODUCT PERFORMANCE
C - Dynamic load64 kN
C0 - Static load76,5 kN
Cu - Fatigue limit load9,3 kN
A2 - Rating life coefficient1
e - Coefficient0.39
Y0 - Static axial load coefficient0.84
Y2 - Upper axial load coefficient1.53
N lim - Oil lubrication limit speed6400 tr/min
N lim - Grease lubrication limit speed4800 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR51 mm
db min - Min IR shoulder diameter50,5 mm
Da min - Min shoulder diameter OR67 mm
Da max - Max shoulder diameter OR69,5 mm
Db min - Min OR shoulder diameter72 mm
Ca - Min clearance4 mm
Cb - Min clearance4,5 mm
ra max - Max fillet radius1 mm
r1a - Max fillet radius1 mm
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